JAL-4187 JAL-629 JAL-3830 Fix ArgParser to check for empty string argument. Fixed...

[jalview.git] / utils / getdown / bin / jalview.ps1

diff --git a/utils/getdown/bin/jalview.ps1 b/utils/getdown/bin/jalview.ps1
index a5c0354..65998bc 100755 (executable)
--- a/utils/getdown/bin/jalview.ps1
+++ b/utils/getdown/bin/jalview.ps1
@@ -79,6 +79,10 @@ $CLASSPATH = ( Select-String -Path "${GETDOWNTXT}" -AllMatches -Pattern "code\s*
 $CONSOLEWIDTH = $Host.UI.RawUI.WindowSize.Width
 
 # quote the args and the command (in case of spaces) with escape chars (`) and precede with & to indicate command not string
-$myArgsString = '"' + $($myArgs -join '" "') + '"'
-Invoke-Expression -Command "& `"${JAVA}`" `"-DCONSOLEWIDTH=${CONSOLEWIDTH}`" -cp `"${CLASSPATH}`" jalview.bin.Launcher ${myArgsString}"
+if ( $myArgs.count -eq 0 ) {
+  Invoke-Expression -Command "& `"${JAVA}`" `"-DCONSOLEWIDTH=${CONSOLEWIDTH}`" -cp `"${CLASSPATH}`" jalview.bin.Launcher"
+} else {
+  $myArgsString = '"' + $($myArgs -join '" "') + '"'
+  Invoke-Expression -Command "& `"${JAVA}`" `"-DCONSOLEWIDTH=${CONSOLEWIDTH}`" -cp `"${CLASSPATH}`" jalview.bin.Launcher ${myArgsString}"
+}